FabDigit

Aluminum Al-Ce vs AlSi7Mg0.6 vs AlSi9Cu3 vs AlMgSc

Benchmark · 4 materials

Side-by-side benchmark of 4 aluminum grades.

Al-Ce vs AlSi7Mg0.6 and 2 more: properties

Al-CeAlSi7Mg0.6AlSi9Cu3AlMgSc

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

74 GPa10.7 Msi
72 GPa10.4 Msi
75 GPa10.9 Msi
70 GPa10.2 Msi

Shear Modulus

27.5 GPa4 Msi
27 GPa3.9 Msi
28 GPa4.1 Msi
26.5 GPa3.8 Msi

Bulk Modulus

73 GPa10.6 Msi
71 GPa10.3 Msi
73 GPa10.6 Msi
69 GPa10 Msi

Tensile Strength (Ultimate)

420 MPa60.9 ksi
355 MPa51.5 ksi
300 MPa43.5 ksi
500 MPa72.5 ksi

Yield Strength (0.2% offset)

320 MPa46.4 ksi
285 MPa41.3 ksi
165 MPa23.9 ksi
460 MPa66.7 ksi

Elongation at Break

8%
10%
2%
12%

Compressive Strength

340 MPa49.3 ksi
290 MPa42.1 ksi
470 MPa68.2 ksi

Shear Strength

250 MPa36.3 ksi
230 MPa33.4 ksi
190 MPa27.6 ksi
295 MPa42.8 ksi

Fatigue Strength (Endurance Limit)

115 MPa16.7 ksi
125 MPa18.1 ksi
95 MPa13.8 ksi
160 MPa23.2 ksi

Fracture Toughness (K_IC)

20 MPa·√m18.2 ksi·√in
24 MPa·√m21.8 ksi·√in
16 MPa·√m14.6 ksi·√in
33 MPa·√m30 ksi·√in

Charpy V-Notch Impact (RT)

6 J4.4 ft·lbf
5 J3.7 ft·lbf
2 J1.5 ft·lbf

Hardness, Brinell

100 HB
105 HB
85 HB
140 HB

Hardness, Rockwell B

60 HRB
63 HRB
80 HRB

Hardness, Vickers

112 HV
115 HV
90 HV
150 HV

Same in both: Poisson's Ratio 0.33

Physical

Density and transition temperatures.

Density

2.8 g/cm³0.1 lb/in³
2.67 g/cm³0.1 lb/in³
2.75 g/cm³0.1 lb/in³
2.67 g/cm³0.1 lb/in³

Melting Point (Solidus)

640°C1,184 °F
555°C1,031 °F
515°C959 °F
585°C1,085 °F

Liquidus Temperature

655°C1,211 °F
613°C1,135 °F
595°C1,103 °F
645°C1,193 °F

Thermal

How each material carries heat and how hot it can run.

Thermal Conductivity

100 W/m·K57.8 BTU/hr·ft·°F
155 W/m·K89.6 BTU/hr·ft·°F
110 W/m·K63.6 BTU/hr·ft·°F
110 W/m·K63.6 BTU/hr·ft·°F

Specific Heat Capacity

890 J/kg·K0.21 BTU/lb·°F
900 J/kg·K0.21 BTU/lb·°F
880 J/kg·K0.21 BTU/lb·°F
900 J/kg·K0.21 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

22 µm/m·K12.2 µin/in·°F
21.5 µm/m·K11.9 µin/in·°F
21 µm/m·K11.7 µin/in·°F
23.5 µm/m·K13.1 µin/in·°F

Latent Heat of Fusion

380 J/g163 BTU/lb
389 J/g167 BTU/lb
390 J/g168 BTU/lb
390 J/g168 BTU/lb

Max Service Temperature (continuous)

250°C482 °F
150°C302 °F
150°C302 °F
150°C302 °F

Min Service Temperature

-196°C-321 °F
-196°C-321 °F
-100°C-148 °F
-196°C-321 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

28 % IACS
39 % IACS
24 % IACS
28 % IACS

Electrical Resistivity

5.7×10⁻⁸ Ω·m2.24 µΩ·in
4.4×10⁻⁸ Ω·m1.73 µΩ·in
7.2×10⁻⁸ Ω·m2.83 µΩ·in
6.2×10⁻⁸ Ω·m2.44 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.75 V
-0.83 V
-0.78 V
-0.87 V

Corrosion Resistance

55 / 100
58 / 100
38 / 100
68 / 100

Manufacturability

FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.

Machinability

58 / 100
65 / 100
62 / 100
55 / 100

Machinability Rating (AISI 1212 = 100 %)

90%
70%
70%
110%

Weldability

75 / 100
65 / 100
20 / 100
85 / 100

Formability (cold)

30 / 100
20 / 100
8 / 100
45 / 100

Castability

88 / 100
92 / 100
95 / 100
50 / 100

Brazeability / Solderability

35 / 100
40 / 100
20 / 100
30 / 100

Polishability

55 / 100
55 / 100
40 / 100
60 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

235 MJ/kg101,032 BTU/lb
215 MJ/kg92,433 BTU/lb
190 MJ/kg81,685 BTU/lb
260 MJ/kg111,780 BTU/lb

Embodied Carbon (primary production)

14 kg CO₂/kg
13.5 kg CO₂/kg
12.5 kg CO₂/kg
24 kg CO₂/kg

Embodied Water

1,200 L/kg144 gal/lb
1,150 L/kg138 gal/lb
1,200 L/kg144 gal/lb
1,200 L/kg144 gal/lb

Typical Recycled Content

5%
10%
85%
5%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

150 kN·m/kg
133 kN·m/kg
109 kN·m/kg
187 kN·m/kg

Specific Stiffness (E / density)

26.4 MN·m/kg
27 MN·m/kg
27.3 MN·m/kg
26.2 MN·m/kg

Modulus of Resilience

692 kJ/m³
564 kJ/m³
182 kJ/m³
1,511 kJ/m³

Thermal Diffusivity

40.1 mm²/s
64.5 mm²/s
45.5 mm²/s
45.8 mm²/s

Thermal Shock Resistance Index

26
36
21
33

Strength versus weight

Yield strength against density for every aluminum grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.

20501002005002.22.42.62.83Density (g/cm³)Yield strength (MPa) — log scaleAlSi7Mg0.6AlSi9Cu3AlMgScAl-Ce

Manufacturing and finishing

CapabilityAl-CeAlSi7Mg0.6AlSi9Cu3AlMgSc
Default condition
Relative cost$$$$ High$$$$ High$$ Standard$$$$ High
Min. machined wall
Best machined surface

Both take the same 4 finishes: Electroless Nickel (EN), Epoxy Coating, Gold Plating, Silver Plating.

Ready to make it?

Upload a CAD file and FabDigit prices the part in Al-Ce and AlSi7Mg0.6 side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.

Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.